| // Copyright (c) 2011, the Dart project authors. Please see the AUTHORS file |
| // for details. All rights reserved. Use of this source code is governed by a |
| // BSD-style license that can be found in the LICENSE file. |
| |
| /// @assertion factory ReceivePort() |
| /// Opens a long-lived port for receiving messages. |
| /// A ReceivePort is a non-broadcast stream. |
| /// This means that it buffers incoming messages until a listener is registered. |
| /// Only one listener can receive messages. |
| /// See Stream.asBroadcastStream for transforming the port to a broadcast stream. |
| /// A receive port is closed by canceling its subscription. |
| /// @description Checks that incoming messages are buffered until a listener is registered.. |
| /// @author kaigorodov |
| |
| import "dart:isolate"; |
| import "../../../Utils/expect.dart"; |
| |
| var counter = 10; |
| |
| void main() { |
| ReceivePort rPort = new ReceivePort(); |
| SendPort sPort = rPort.sendPort; |
| for (int k = counter; k > 0; k--) { |
| sPort.send(k); |
| } |
| rPort.listen((message) { |
| Expect.equals(counter, message); |
| if (message > 1) { |
| counter--; |
| } else { |
| rPort.close(); |
| } |
| }); |
| } |